# Service bulletin B612117

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 10149252
- Published by NHTSA: 2018\-11\-26
- Manufacturer's number: B612117
- Manufacturer's date: 2017\-05\-01
- NHTSA component: EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS:SWITCH

## NHTSA's summary

HAZARD WARNING SWITCH FLICKERS AFTER ENGINE START. Hazard warning switch flickers after engine start. Faulty communication between hazard warning switch and Body Domain Controller \(BDC\).

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2017/MC-10149252-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2017/MC-10149252-0001.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Lighting

## Vehicles listed

- 2017 BMW 530I
- 2017 BMW 540I
- 2017 BMW 550I
- 2016 BMW 750LI
- 2018 BMW M550I
- 2017 BMW M760LI

## Other bulletins for the same vehicles and component

- [B630418](/bulletins/10252031.md), 2024-04-01, Service bulletin: EXTERIOR LIGHTING. One or more of the LED daytime running lights are dim or discolored.
- [B630821](/bulletins/10239611.md), 2023-07-24, Service bulletin: EXTERIOR LIGHTING; ELECTRICAL SYSTEM. Headlight check control \(CC\) message 128 "High beam headlight failure" is displayed. The following fault codes are stored during a vehicle test: 80419A \- Left high\-beam headlight: Short circuit and/or 8041A5 \- light outputs: Number of permitted short circuit cycles exceeded
- [B630418](/bulletins/10235200.md), 2023-05-01, Service bulletin: EXTERIOR LIGHTING. One or more of the LED daytime running lights are dim or discolored.
- [B121021](/bulletins/10212786.md), 2022-05-31, Service bulletin: EXTERIOR LIGHTING. The customer complains that under moderate throttle application or on deceleration after throttle application, a Malfunction Indicator Lamp \(MIL\) is displayed in the instrument cluster.
- [B630418](/bulletins/10200241.md), 2021-08-09, Service bulletin: EXTERIOR LIGHTING; EQUIPMENT. One or more of the LED daytime running lights are dim or discolored.
- [B630421](/bulletins/10190863.md), 2021-04-26, Service bulletin: EXTERIOR LIGHTING. AUTOMATIC HIGH BEAM DOES NOT DIM AUTOMATICALLY: The automatic high beams may not automatically dim to low beams.
- [B630221](/bulletins/10190861.md), 2021-04-26, Service bulletin: EXTERIOR LIGHTING; AIR BAGS. REAR LIGHT FAULTY CHECK CONTROL MESSAGE: The CID displays "Left brake light faulty.
- [B630221](/bulletins/10188950.md), 2021-03-15, Service bulletin: EXTERIOR LIGHTING. REAR LIGHT FAULTY CHECK CONTROL MESSAGE: The rear brake light will continue to work without error.
- [B630121](/bulletins/10188949.md), 2021-03-15, Service bulletin: EXTERIOR LIGHTING. BRAKE LIGHT REMAINS LIT AFTER BRAKE PEDAL RELEASE: The trunk\-mounted brake light remains lit for several seconds after the brake pedal is released.
- [B630418](/bulletins/10186226.md), 2021-02-01, Service bulletin: EXTERIOR LIGHTING:HEADLIGHTS:DAYTIME RUNNING LIGHTS:BULBS; EXTERIOR LIGHTING. ?DAYTIME RUNNING LIGHT IS DIM OR DISCOLORED: One or more of the LED daytime running lights are dim or discolored. The connection between the LED module and light tube inside the headlight is damaged.

JSON: [/v1/bulletins/10149252](/v1/bulletins/10149252)

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